Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d9468f5790907cf…

MALICIOUS

PDF

42.9 KB Created: 2020-08-15 09:50:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe1e2bd9d874aece12f6c40fbdc54d93 SHA-1: 824f54e961cbe56e6e32e256ee5aad781396e280 SHA-256: 9d9468f5790907cf7a50f14c9d1e8b2809bc5027ecf9b635aed29977c8d07577
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'https://ttraff.ru/wb?keyword=rainbow%20fish%20pdf%20download' is the primary indicator of malicious intent. Additionally, the PDF exhibits characteristics of a link farm, with numerous external links, suggesting an attempt to distribute traffic or host malicious content across multiple domains. The document body, though heavily obfuscated, contains the same malicious URL.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/wb?keyword=rainbow%20fish%20pdf%20download
    • http://rilujemu.miraclevalleyceylon.com/uploads/1/3/1/8/131857920/354243.pdf
    • http://wekigavot.alexseyreyes.com/uploads/1/3/1/4/131438025/2833834.pdf
    • http://files.mybrightdelights.com/uploads/1/3/1/4/131483317/5c5e3e7b38eeea5.pdf
    • http://files.marlondance.com/uploads/1/3/1/3/131380005/b305644f910c97.pdf
    • http://bupabox.svctm.org/uploads/1/3/0/8/130814017/5580212.pdf
    • https://cdn.shopify.com/s/files/1/0440/2230/0822/files/95524361294.pdf
    • https://cdn.shopify.com/s/files/1/0440/5778/8568/files/bekajosazejelobata.pdf
    • https://cdn.shopify.com/s/files/1/0430/5158/1591/files/65828319187.pdf
    • https://cdn.shopify.com/s/files/1/0430/7684/5728/files/87891164633.pdf
    • https://cdn.shopify.com/s/files/1/0431/5552/1695/files/sejurejad.pdf
    • https://cdn.shopify.com/s/files/1/0434/6436/0100/files/liboramijeta.pdf
    • https://cdn.shopify.com/s/files/1/0430/7301/1865/files/human_behavior_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41557636134.pdf
    • https://cdn.shopify.com/s/files/1/0433/8057/2321/files/gifumapemebowuriselikedik.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c9f.bin
1524252ddde4d5cdf40402567156dc1ac435c2a831c7d223ee18d2c68ff3f6d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C9F 4860 bytes
font_01_sfnt_off00006d19.bin
3c447c3761938f30bd73c307aebc15fdf8c5b3d1c57bb8a989d95f5e320d33cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D19 10412 bytes
font_02_sfnt_off000090bc.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90BC 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.